Behavioral task
behavioral1
Sample
c3398e5cdcda3d2923c9cbbdce4b1208ac6d838ed59d79bd18751aaf96ee5baa.exe
Resource
win7-20240221-en
General
-
Target
c3398e5cdcda3d2923c9cbbdce4b1208ac6d838ed59d79bd18751aaf96ee5baa
-
Size
34KB
-
MD5
2e23b3a9f7ed2c804efbf92d9cf9ebbf
-
SHA1
19d4f860f6bf9ec68919023211718087f91b0146
-
SHA256
c3398e5cdcda3d2923c9cbbdce4b1208ac6d838ed59d79bd18751aaf96ee5baa
-
SHA512
bccb4c1b6664f04b26e1dd0b1e8561d10773af65578c02b4f8b318e2a0b8269465720baff67e755c6c910ad08e1733a57acb60e288018cc81037854adf365373
-
SSDEEP
384:+BXqti38xj6G/TpELuAOhGFpK5irDUqrSbfPJg1imZkx5rWbJaaasbbbG0XXXXE:oX0qKWQTOL6GFw88rbJsimqxVmXXXXE
Malware Config
Signatures
-
Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource c3398e5cdcda3d2923c9cbbdce4b1208ac6d838ed59d79bd18751aaf96ee5baa unpack001/out.upx
Files
-
c3398e5cdcda3d2923c9cbbdce4b1208ac6d838ed59d79bd18751aaf96ee5baa.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 52KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 16KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE